Area Code 159 – Mariefred
The phone area code for Mariefred is 159 (international format +46159). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 159
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Mariefred
Geographic Overview
The Swedish area code 159 is a geographic destination code assigned to the locality of Mariefred, a picturesque town situated in the Södermanland province, approximately 60 kilometers west of Stockholm. Administratively, Mariefred falls under the jurisdiction of Strängnäs Municipality in Södermanland County. The code serves the town and its immediate surroundings, including the historic Gripsholm Castle and adjacent rural areas. As a geographic code, 159 is tied to the fixed PSTN network, and calls to this destination are routed based on the physical location of the line.
Dialing Formats
For callers within Sweden, the national trunk prefix 0 must be dialed before the area code. Thus, a local number in Mariefred is dialed as 0159-XXXXXX (where XXXXXX represents the subscriber number, typically 5 to 7 digits). For international callers, the country code for Sweden is +46, and the leading trunk prefix is omitted. Therefore, the international format becomes +46 159 XXXXXX. It is crucial to note that when dialing from abroad, the initial '0' of the national prefix is not included. For example, a complete international dialing sequence would be: +46 159 123 456 (using a placeholder subscriber number).
Local and Foreign Caller Instructions
Local callers within the 159 area (i.e., those physically located in Mariefred) can often dial the subscriber number directly without the area code, depending on the specific local exchange configuration. However, for clarity and to avoid misdialing, it is recommended to always use the full national format. Callers from other parts of Sweden must dial 0159 followed by the subscriber number. International callers must use the plus sign (+) or the appropriate international access prefix (e.g., 00 from most European countries) followed by 46 and then 159 and the subscriber number. No additional digits are required.
Overlay and Numbering Considerations
As of the latest ITU-T and Swedish Post and Telecom Authority (PTS) guidelines, the 159 area code does not have an overlay code. The numbering plan for this region remains a closed geographic structure, meaning that the area code is mandatory for all calls originating from outside the local exchange area. Subscriber numbers within the 159 area are allocated to fixed-line services, and number portability may apply, allowing users to retain their numbers when switching providers, though the geographic significance remains tied to the original location.